Note: Data was updated for this table on January 10, 2006. Data used for the April 2005 report was preliminary, and errors were found in submitted data. Methodology is same and numbers above reflect the correct/currrent data.

Generally, to convert from gigawatt hours into megawatts, divide the number of gigawatts by 8,760
then multiply by 1,000 to get megawatts. This is "average" megawatts, as capacity of
power plants varies depending on resource/fuel type and plant efficiency.